package example04;
class Student{
    private String name;
    private int age;
    public  String getName(){
        return  name;
    }
    public void  setName (String name){
        this.name = name;
    }
    public int getAge(int i){
        return  age;
    }
    public void setAge(int age){
        if (age<=0){
            System.out.println("您输入的年龄有误");
        }else {
            this.age = age;
        }
    }
    public void read(){
        System.out.println("大家好，我是"+name+"，年龄"+age);
    }


}
public class example04 {
    public static void main(String[] args){
        Student stu = new Student();
        stu.setName("张三");
        stu.getAge(-18);
        stu.read();
    }
}
